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JPL Small-Body Database Browser
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20190 (1997 BZ2)
Classification: Main-belt Asteroid          SPK-ID: 2020190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701960169582773 3.0716e-08  
a 2.591653406424795 1.032e-08 au
q 2.150564319314944 7.9692e-08 au
i 4.065793614540224 4.0581e-06 deg
node 148.2895765752763 5.0113e-05 deg
peri 85.12046971748964 5.1734e-05 deg
M 44.14972879730686 1.2859e-05 deg
tp 2458413.608586971493
(2018-Oct-22.10858697)
5.405e-05 TDB
period 1523.925752730028
4.17
9.1028e-06
2.492e-08
d
yr
n .2362319813515062 1.4111e-09 deg/d
Q 3.032742493534646 1.2077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      13524 days (37.03 yr)  
   first obs. used      1982-11-07  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:42:15  

Additional Information
 Earth MOID = 1.14424 au 
 Jupiter MOID = 1.97222 au 
 T_jup = 3.395 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO347680  
diameter diameter 3.285 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.494   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20190 (1997 BZ2)          Discovered 1997-Jan-30 by Kobayashi, T. at Oizumi
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BZ2 = 1990 QX6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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